Ford diesel API oil ratings

Just bought a 2002 ford E350 Superduty diesel work van and want to change the oil and filter. Owners manual says use API SF/CD or SF/CE asked a couple of other owners who said use Rotella 15-40 (CJ-4,CI-4,CH-4,CG-4,CF-4/SM,SI,SS) or Mobile 1-Turbo diesel (CJ-4,CI-4+,CI-,CH-4,SM,SL, ACEA E7-E5) in their 7.3 liter fords (good grief ?). Asked at the local auto parts store and they just shrugged and said most people buy Rotella because mobile one is more expensive. Does anybody know what gives with all the ratings and are both of these oils ok. By the way this thing holds 15 Quarts and has a two quart oil filter. Thanks for any help, Rick

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Ford diesel API oil ratings

The way I was taught for diesel oil, look at all of the 'C' designations. CA was the first, then CB, CC... Ford recommends a minimum of a CD designation and both of these oils exceed their minimum, so you are good to go with either.

Talk about expensive my Kubota uses Super UDT for the hydrostat, holds 2½ gallons and is just over 5.00 per quart. Good thing I only have to change it every 300 hours.

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What we've got here is... failure to communicate. Some men you just can't reach. So you get what we had here last week, which is the way he wants it... well, he gets it.